Literary usage of Feculas

Below you will find example usage of this term as found in modern and/or classical literature:

1.Pharmaceutical Journal by Royal Pharmaceutical Society of Great Britain (1844)"It may be readily distinguished by the naked eye of an experienced person from
all other commercial feculas, tous les mois alone excepted. ..."

2.The elements of materia medica and therapeutics by Jonathan Pereira (1842)"The grains of most, if not of all, feculas, have a laminated texture. To the
concentric layers is owing the appearance of concentric rings on the surface of ..."

3.Rural Economy: In Its Relations with Chemistry, Physics, and Meteorology by Jean Baptiste Boussingault, George Law (1865)"None of the amylaceous principles or feculas obtained by the processes which I
have mentioned are absolutely pure ; even supposing all the soluble ..."

4.Rural Economy, in Its Relations with Chemistry, Physics, and Meteorology by Jean Baptiste Boussingault (1845)"None of the amylaceous principles or feculas obtained by the processes which I have
... By slight roasting, amylaceous feculas undergo considerable changes; ..."